CN106408811B - Thief-proof electric alarm circuit - Google Patents
Thief-proof electric alarm circuit Download PDFInfo
- Publication number
- CN106408811B CN106408811B CN201610857926.1A CN201610857926A CN106408811B CN 106408811 B CN106408811 B CN 106408811B CN 201610857926 A CN201610857926 A CN 201610857926A CN 106408811 B CN106408811 B CN 106408811B
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- circuit
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- type triode
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- 238000009434 installation Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention belongs to the technical fields of warning circuit, and in particular to thief-proof electric alarm circuit；The technical issues of solution is：There is provided one kind being capable of easy for installation, the lower power circuit of cost Keep Clear-High Voltage warning alert circuit；The technical solution used for：Thief-proof electric alarm circuit, including contact sensor, control chip, relay KJ1 and control circuit board, the control circuit board is equipped with power circuit, regulator circuit and control circuit, the output end of the contact sensor is connected with the input terminal of control chip, the output end of the control chip is connected by relay KJ1 with the input terminal of power circuit, the output end of power circuit is connected with the input terminal of regulator circuit, and the output end of the regulator circuit is connected with the input terminal of control circuit；The present invention is suitable for power domain.
Description
Technical field
The invention belongs to the technical fields of warning circuit, and in particular to thief-proof electric alarm circuit.
Background technology
Currently, municipal administration, cell, telecommunications, electric power, rural power grids, factory, enterprise, organ, heating power, fire-fighting, etc. public utilities ground
Side just needs to install ammeter, it is necessary to which ammeter box, electricity box are usually the terminal laying along electric power facility to family, and each household all needs
An electricity box are wanted, that is, need a set of ammeter box shell, therefore dosage is very big.However there are many people to make a desperate move, by various modes
It sneaks current, number is paid with the electricity charge for reducing personal, wherein the phenomenon that transformation electric energy meter is especially prominent, caused to power supply industry
Great economic loss, the also national normal supply order of very disruptive.Stealing effectively is prevented, to energy saving, guarantor
The equity of shield power supply department all has very important significance, and the anti-theft electricity technology of constantly improve electric energy meter is also power supply department and masses
Problem of concern.
Invention content
The present invention overcomes the shortcomings of the prior art, technical problem to be solved to be：Offer one kind is easy to use, makes
The lower thief-proof electric alarm circuit of valence.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Thief-proof electric alarm circuit, including contact pass
Sensor, control chip, relay KJ1 and control circuit board, the control circuit board are equipped with power circuit, regulator circuit and control
The output end of circuit processed, the contact sensor is connected with the input terminal of control chip, and the output end of the control chip passes through
Relay KJ1 is connected with the input terminal of power circuit, and the output end of power circuit is connected with the input terminal of regulator circuit, described steady
The output end of volt circuit is connected with the input terminal of control circuit；
The power circuit includes inductance L1 and bridge rectifier T1, and regulator circuit includes diode D1, diode D2, two
Pole pipe D3, diode D4, capacitance C7 and capacitance C8, control circuit include NPN type triode Q1, NPN type triode Q2 and buzzing
Device M1.
One end of the normally-closed contact KJ1.1 of the relay KJ1 is connected with power supply anode, and relay KJ1's is normally closed
It is connected with one end of inductance L1 after the other end series resistor R1 of contact KJ1.1, the other end of inductance L1 and one end of capacitance C2,
The input positive terminal of bridge rectifier T1 is connected, the other end of the capacitance C2 and the input negative terminal of bridge rectifier T1, power supply electricity
Source cathode is connected, and the capacitance C1 is connected in parallel on the both ends of resistance R1；
The output plus terminal of the bridge rectifier T1 is connected with one end of capacitance C7, the other end and the diode D1 of capacitance C7
Cathode, diode D2 anode be connected, the cathode of diode D2 and the anode of diode D3, one end of capacitance C8, resistance R2
One end, one end of resistance R3, NPN type triode Q2 collector be connected, the anode of the cathode and diode D4 of diode D3
It is connected, the other end of resistance R2 is connected with the base stage of NPN type triode Q1, and the collector of NPN type triode Q1 is with resistance R3's
The other end, the base stage of NPN type triode Q2 are connected, and the emitter of NPN type triode Q2 is connected with one end of buzzer M1, buzzing
The other end of device M1 and the emitter of NPN type triode Q1, the other end of capacitance C8, the cathode of diode D4, diode D1
Anode is connected with the output negative terminal of bridge rectifier T1.
The present invention has the advantages that compared with prior art：
The thief-proof electric alarm circuit of the present invention, including contact sensor, control chip, relay KJ1 and control circuit board, control
Circuit board processed is equipped with power circuit, regulator circuit and control circuit；Contact sensor incudes outer signals in real time, when there is personnel
When close, contact sensor monitors signal, and sends a signal to control chip, and control chip controls relay KJ1's is normal
Closed contact KJ1.1 is disconnected, and NPN type triode Q1 becomes ending from being connected, and NPN type triode Q2 becomes being connected from ending, buzzing
Device M1 sends out alarm, and the present invention can play a warning role, and prompts to withdraw in time close to personnel.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings；
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the circuit structure diagram of control circuit board of the present invention；
In figure：1 is contact sensor, 2 chips in order to control, and 3 circuit boards in order to control, 4 be power circuit, and 5 be regulator circuit,
6 circuits in order to control.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiment be the present invention a part of the embodiment, without
It is whole embodiment；Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall within the protection scope of the present invention.
As shown in Figure 1 and Figure 2, thief-proof electric alarm circuit, including contact sensor 1, control chip 2, relay KJ1 and control
Circuit board 3 processed, the control circuit board 3 are equipped with power circuit 4, regulator circuit 5 and control circuit 6, the contact sensor 1
Output end with control chip 2 input terminal be connected, it is described control chip 5 output end pass through relay KJ1 and power circuit 1
Input terminal be connected, the output end of power circuit 4 is connected with the input terminal of regulator circuit 5, the output end of the regulator circuit 5 and
The input terminal of control circuit 6 is connected；
The power circuit 4 include inductance L1 and bridge rectifier T1, regulator circuit 5 include diode D1, diode D2,
Diode D3, diode D4, capacitance C7 and capacitance C8, control circuit 6 include NPN type triode Q1, NPN type triode Q2 and bee
Ring device M1.
One end of the normally-closed contact KJ1.1 of the relay KJ1 is connected with power supply anode, and relay KJ1's is normally closed
It is connected with one end of inductance L1 after the other end series resistor R1 of contact KJ1.1, the other end of inductance L1 and one end of capacitance C2,
The input positive terminal of bridge rectifier T1 is connected, the other end of the capacitance C2 and the input negative terminal of bridge rectifier T1, power supply electricity
Source cathode is connected, and the capacitance C1 is connected in parallel on the both ends of resistance R1；
The output plus terminal of the bridge rectifier T1 is connected with one end of capacitance C7, the other end and the diode D1 of capacitance C7
Cathode, diode D2 anode be connected, the cathode of diode D2 and the anode of diode D3, one end of capacitance C8, resistance R2
One end, one end of resistance R3, NPN type triode Q2 collector be connected, the anode of the cathode and diode D4 of diode D3
It is connected, the other end of resistance R2 is connected with the base stage of NPN type triode Q1, and the collector of NPN type triode Q1 is with resistance R3's
The other end, the base stage of NPN type triode Q2 are connected, and the emitter of NPN type triode Q2 is connected with one end of buzzer M1, buzzing
The other end of device M1 and the emitter of NPN type triode Q1, the other end of capacitance C8, the cathode of diode D4, diode D1
Anode is connected with the output negative terminal of bridge rectifier T1.
Thief-proof electric alarm circuit of the present invention, this circuit are mounted on electric pole top, when normal use, power supply
Voltage is added in the base stage of NPN type triode Q1 by the normally-closed contact KJ1.1 through relay KJ1, and NPN type triode Q1 is made to be connected,
Then the base potential of NPN type triode Q2 is pulled low, and NPN type triode Q2 cut-offs, buzzer M1 does not work；
Thief-proof electric alarm circuit of the present invention, when normal use, normally-closed contact of the power supply through relay KJ1
Voltage is added in the base stage of NPN type triode Q1 by KJ1.1, so that NPN type triode Q1 is connected, then the base of NPN type triode Q2
Electrode potential is pulled low, and NPN type triode Q2 cut-offs, buzzer M1 does not work；
When there is human contact's ammeter box, contact sensor 1 monitors signal, and sends a signal to control chip 2, control
The normally-closed contact KJ1.1 that coremaking piece 2 controls relay KJ1 is disconnected, and power supply cut-out, NPN type triode Q1 is become from being connected
Cut-off, NPN type triode Q2 become being connected from ending, and buzzer M1 sends out alarm.
The thief-proof electric alarm circuit of the present invention, control circuit board is integrated in by power circuit 4, regulator circuit 5 and control circuit 6
Simple in structure on 3, cost is relatively low, and can play a warning role, and prompts the personnel for wanting stealing to withdraw in time, avoids causing
Unnecessary loss.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (1)
1. thief-proof electric alarm circuit, it is characterised in that：Including contact sensor（1）, control chip（2）, relay KJ1 and control
Circuit board（3）, the control circuit board（3）It is equipped with power circuit（4）, regulator circuit（5）And control circuit（6）, described to connect
Touch sensor（1）Output end with control chip（2）Input terminal be connected, the control chip（2）Output end pass through relay
Device KJ1 and power circuit（4）Input terminal be connected, power circuit（4）Output end and regulator circuit（5）Input terminal be connected,
The regulator circuit（5）Output end and control circuit（6）Input terminal be connected；
The power circuit（4）Including inductance L1 and bridge rectifier T1, regulator circuit（5）Including diode D1, diode D2,
Diode D3, diode D4, capacitance C7 and capacitance C8, control circuit（6）Including NPN type triode Q1, NPN type triode Q2 and
Buzzer M1；
One end of the normally-closed contact KJ1.1 of the relay KJ1 is connected with power supply anode, the normally-closed contact of relay KJ1
It is connected with one end of inductance L1 after the other end series resistor R1 of KJ1.1, the other end of inductance L1 and one end of capacitance C2, bridge-type
The input positive terminal of rectifier T1 is connected, and the other end of the capacitance C2 and the input negative terminal of bridge rectifier T1, power supply are negative
Extremely it is connected, the capacitance C1 is connected in parallel on the both ends of resistance R1；
The output plus terminal of the bridge rectifier T1 is connected with one end of capacitance C7, the other end of capacitance C7 and bearing for diode D1
Pole, diode D2 anode be connected, the cathode of diode D2 and the anode of diode D3, one end of capacitance C8, resistance R2 one
End, one end of resistance R3, the collector of NPN type triode Q2 are connected, and the cathode of diode D3 is connected with the anode of diode D4,
The other end of resistance R2 is connected with the base stage of NPN type triode Q1, and the collector of NPN type triode Q1 is another with resistance R3's
End, the base stage of NPN type triode Q2 are connected, and the emitter of NPN type triode Q2 is connected with one end of buzzer M1, buzzer M1
The other end and the emitter of NPN type triode Q1, the other end of capacitance C8, the cathode of diode D4, diode D1 anode
It is connected with the output negative terminal of bridge rectifier T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857926.1A CN106408811B (en) | 2016-09-28 | 2016-09-28 | Thief-proof electric alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610857926.1A CN106408811B (en) | 2016-09-28 | 2016-09-28 | Thief-proof electric alarm circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106408811A CN106408811A (en) | 2017-02-15 |
| CN106408811B true CN106408811B (en) | 2018-07-20 |
Family
ID=57997837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610857926.1A Active CN106408811B (en) | 2016-09-28 | 2016-09-28 | Thief-proof electric alarm circuit |
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| Country | Link |
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| CN (1) | CN106408811B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186967Y (en) * | 1994-04-20 | 1995-01-04 | 金寿银 | Device for preventing sneaking current |
| CN2399732Y (en) * | 1997-07-16 | 2000-10-04 | 谭尚毅 | High sensitive self-breaking memory single-phase watt-hour meter anti-fradulence device |
| CN200959157Y (en) * | 2006-06-12 | 2007-10-10 | 周殿凤 | Safety alarming circuit |
| CN102436703A (en) * | 2010-09-29 | 2012-05-02 | 陈家斌 | Anti-theft intelligent warner of distribution transformer |
| CN205405797U (en) * | 2016-01-04 | 2016-07-27 | 武汉大学 | Electric infrared inductive switch alarm device is released to high pressure shaft tower heat |
| CN206075453U (en) * | 2016-09-28 | 2017-04-05 | 国网山西省电力公司运城供电公司 | A kind of thief-proof electric alarm circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008095160A1 (en) * | 2007-02-01 | 2008-08-07 | Gdi, Llc | An improved intrusion detection system for electric fences |
-
2016
- 2016-09-28 CN CN201610857926.1A patent/CN106408811B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186967Y (en) * | 1994-04-20 | 1995-01-04 | 金寿银 | Device for preventing sneaking current |
| CN2399732Y (en) * | 1997-07-16 | 2000-10-04 | 谭尚毅 | High sensitive self-breaking memory single-phase watt-hour meter anti-fradulence device |
| CN200959157Y (en) * | 2006-06-12 | 2007-10-10 | 周殿凤 | Safety alarming circuit |
| CN102436703A (en) * | 2010-09-29 | 2012-05-02 | 陈家斌 | Anti-theft intelligent warner of distribution transformer |
| CN205405797U (en) * | 2016-01-04 | 2016-07-27 | 武汉大学 | Electric infrared inductive switch alarm device is released to high pressure shaft tower heat |
| CN206075453U (en) * | 2016-09-28 | 2017-04-05 | 国网山西省电力公司运城供电公司 | A kind of thief-proof electric alarm circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106408811A (en) | 2017-02-15 |
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